SSJS has existed more or less from the beginning of JS. https://docs.oracle.com/cd/E19957-01/816-6410-10/816-6410-10.pdf https://docs.oracle.com/cd/E19957-01/8

SSJS has existed more or less from the beginning of JS. https://docs.oracle.com/cd/E19957-01/816-6410-10/816-6410-10.pdf https://docs.oracle.com/cd/E19957-01/816-6410-10/816-6410-10... Any general purpose language will be used in ways and places that it was not expected to be used. Both Netscape and MS offered some level of SSJS, and MS added a JScript Windows Script Host.